Cómo usar JSON.parse() y JSON.stringify()
Una referencia rápida para los métodos parse y stringify del objeto JSON.
SLES 15 — libXtst6 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 30 August 2019 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-2063 Upstream summary: Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via […]
openSUSE Tumbleweed — python36-reportlab — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:0160-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-17626 Upstream summary: ReportLab through 3.5.26 allows remote code execution because of toColor(eval(arg)) in colors.py, as demonstrated by a crafted XML document with '<span color="' […]
Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide (ELSA-2019-4869)
🟠 High ⏱ 15–60 min Last verified: 30 August 2019 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-4869 Related CVEs: CVE-2019-14865 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
How To Write Doctests in Python
Python’s standard library comes equipped with a test framework module called `doctest`. The `doctest` module programmatically searches Python code for pieces of text within comments that look like interactive Python sessions. Then, the module executes those sessions to confirm that the code referenced by a doctest runs as expected.
Deploying an Express Application on a Kubernetes Cluster
In this tutorial, you will build an example Express application and test it locally on your development machine. Then, you will containerize your application with Docker, deploy it to a Kubernetes cluster, and create a load balancer that serves as a public access point to your application.
FreeBSD 12 — linux-c6-openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 30 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: OpenSSL — Padding oracle vulnerability Related CVEs: CVE-2014-3513 CVE-2014-3566 CVE-2014-3567 CVE-2014-3568 CVE-2014-3569 CVE-2014-3570 CVE-2014-3571 CVE-2014-3572 +12 more Upstream summary: The OpenSSL project reports: 0-byte record padding oracle (CVE-2019-1559) (Moderate) If […]
Ubuntu 16.04 LTS apt update fails with NO_PUBKEY errors
🟡 Medium ⏱ 5–30 min Last verified: 29 August 2019 Affected versions: 16.04 16.04.7 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
Ubuntu 18.04 LTS DNS Resolution Intermittently Fails
🟡 Medium ⏱ 5–30 min Last verified: 29 August 2019 Affected versions: 18.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
chronyd Not Syncing Time with NTP Sources
🟡 Medium ⏱ 5–30 min Last verified: 29 August 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]